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Differential D16190 Diff 45101 lib/Support/Host.cpp

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lib/Support/Host.cpp

Show First 20 Lines • Show All 817 Lines • ▼ Show 20 Linesbool sys::getHostCPUFeatures(StringMap<bool> &Features) {
// AVX512 is only supported if the OS supports the context save for it. // AVX512 is only supported if the OS supports the context save for it.
Features["avx512f"] = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save; Features["avx512f"] = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save;
Features["avx512dq"] = HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save; Features["avx512dq"] = HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save;
Features["avx512pf"] = HasLeaf7 && ((EBX >> 26) & 1) && HasAVX512Save; Features["avx512pf"] = HasLeaf7 && ((EBX >> 26) & 1) && HasAVX512Save;
Features["avx512er"] = HasLeaf7 && ((EBX >> 27) & 1) && HasAVX512Save; Features["avx512er"] = HasLeaf7 && ((EBX >> 27) & 1) && HasAVX512Save;
Features["avx512cd"] = HasLeaf7 && ((EBX >> 28) & 1) && HasAVX512Save; Features["avx512cd"] = HasLeaf7 && ((EBX >> 28) & 1) && HasAVX512Save;
Features["avx512bw"] = HasLeaf7 && ((EBX >> 30) & 1) && HasAVX512Save; Features["avx512bw"] = HasLeaf7 && ((EBX >> 30) & 1) && HasAVX512Save;
Features["avx512vl"] = HasLeaf7 && ((EBX >> 31) & 1) && HasAVX512Save; Features["avx512vl"] = HasLeaf7 && ((EBX >> 31) & 1) && HasAVX512Save;
Features["avx515vbmi"] = HasLeaf7 && ((ECX >> 1) & 1) && HasAVX512Save;
delenaUnsubmitted
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please take lower case avx512vbmi

delena: please take lower case avx512vbmi
bool HasLeafD = MaxLevel >= 0xd && bool HasLeafD = MaxLevel >= 0xd &&
!GetX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX); !GetX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX);
// Only enable XSAVE if OS has enabled support for saving YMM state. // Only enable XSAVE if OS has enabled support for saving YMM state.
Features["xsaveopt"] = HasAVXSave && HasLeafD && ((EAX >> 0) & 1); Features["xsaveopt"] = HasAVXSave && HasLeafD && ((EAX >> 0) & 1);
Features["xsavec"] = HasAVXSave && HasLeafD && ((EAX >> 1) & 1); Features["xsavec"] = HasAVXSave && HasLeafD && ((EAX >> 1) & 1);
Features["xsaves"] = HasAVXSave && HasLeafD && ((EAX >> 3) & 1); Features["xsaves"] = HasAVXSave && HasLeafD && ((EAX >> 3) & 1);
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